body {
    background-color: #050801;
}

@font-face {
    font-family: 'icomoon';
    src: url('../font/fonts/icomoon.eot?ruwgg0');
    src: url('../font/fonts/icomoon.eot?ruwgg0#iefix') format('embedded-opentype'),
        url('../font/fonts/icomoon.ttf?ruwgg0') format('truetype'),
        url('../font/fonts/icomoon.woff?ruwgg0') format('woff'),
        url('../font/fonts/icomoon.svg?ruwgg0#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

.tab {
    position: relative;
    top: 100px;
    left: 50%;
    margin-left: -500px;
    /* text-align: center; */
    padding: 10px 0;
    width: 640px;
}

.tabnav {
    height: 70px;
    width: 100%;
    text-align: center;
    line-height: 70px;
    font-weight: bold;
    margin-left: 260px;
}

.tabnav li {
    color: #87ceeb;
    float: left;
    list-style: none;
    margin: 0 30px;
    cursor: pointer;
    /* 禁止选中 */
    user-select: none;
    width: 100px;
    height: 100%;
    background-color: #89734e;
    -webkit-box-reflect: below 1px linear-gradient(transparent, #0005);
}

.tabnav .current {
    box-shadow: 0 0 5px #87ceeb, 0 0 25px #87ceeb, 0 0 50px #87ceeb, 0 0 200px #87ceeb;
}

.content {
    overflow: auto;
    width: 1000px;
    height: 470px;
    border: 2px solid #fff;
    margin-top: 70px;
    color: #fff;
    padding-bottom: 30px;
}

.content section {
    float: left;
    display: none;
}

.content .pitch-on {
    display: inline-block;
}

.content::-webkit-scrollbar {
    width: 8px;
}

.content::-webkit-scrollbar-track {
    background-color: #fff;
}

.content::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background-color: #89734e;
}



/* 返回 */
.callback {
    font-family: icomoon;
    width: 50px;
    height: 50px;
    color: #ccc;
    user-select: none;
    cursor: pointer;
    position: absolute;
    top: 0;
    left: 0;
    font-size: 40px;
}